Patent application number | Description | Published |
20100157963 | METHOD FOR PROVIDING MOBILITY TO MOBILE NODE IN PACKET TRANSPORT NETWORK, PACKET TRANSPORT NETWORK SYSTEM AND GATEWAY SWITCH - A method for providing mobility of a mobile node in a packet transport network, and a packet transport network system are provided. The packet transport network system includes a plurality of gateway switches configured in a plurality of packet transport access networks to connect a packet transport core network and transmit/receive a packet to/from a certain terminal via a certain access switch. When the certain terminal moves, each gateway switch updates a tunnel mapping and management table according to the movement of the certain terminal, allocates a pre-set tunnel by using information included in the tunnel mapping and management table, and transmits/receives a packet to/from a counterpart terminal via the allocated tunnel. Thus, a packet loss and delay due to the influence of handover occurring when the mobile node moves between networks can be minimized and the handover procedure can be simplified. | 06-24-2010 |
20120201128 | APPARATUS AND METHOD FOR TRANSFERRING A PACKET - A packet transferring apparatus and method that may be applied to all packet systems operated on a packet transport network, to ensure the same level of reliability and availability as a circuit network. A path providing unit may acquire packet transfer path information regarding a packet transfer path from a transport network, and a subscriber interface unit may generate transport packet data by adding the packet transfer path information to packet data received from a subscriber network and may output the transport packet data. A packet switch may switch the transport packet data inputted from the subscriber interface unit, and a network interface unit may transmit the transport packet data switched by the packet switch, to the transport network along the packet transfer path. | 08-09-2012 |
20140153928 | COMMUNICATION APPARATUS IN WIDEBAND WIRELESS OPTICAL COMMUNICATION SYSTEM BASED ON FREE SPACE, AND TRANSMISSION AND RECEPTION METHOD USING THE SAME - In a wireless optical communication system in which communication is performed based on a free space and a plurality of the communication apparatuses are arranged in a ring form around a central office terminal (COT), the communication apparatus monitors optical signals received in a first direction or in a second direction opposite to the first direction, and selects a first path through which the optical signals in the first direction are received and a second path through which the optical signals in the second direction are received. The communication apparatus converts an optical signal having a predetermined unique wavelength from among the optical signals received through the selected path into a signal of a frequency domain having a plurality of subcarriers, and obtains packet data mapped to each of the subcarriers. | 06-05-2014 |
20140293998 | BACKPLANE APPARATUS AND SWITCHING SYSTEM USING THE SAME - In a switching system using an N+1 switch redundancy method, a backplane connects a plurality of switch cards that are mounted in a half-slot of an upper end portion and a lower end portion of the center of a chassis and a plurality of line cards that are mounted in the half-slot of the upper end portion and the lower end portion of the chassis at both sides of the plurality of switch cards. In this case, in each line card and each switch card, a line card and a switch card of the same position are connected in the upper end portion or the lower end portion of the chassis using some connector groups, and a line card and a switch card that are disposed at the upper end portion or the lower end portion of the chassis are crossed and connected using the remaining connector groups. | 10-02-2014 |
20140294394 | OPTICAL COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION METHOD - An optical communication apparatus and an optical communication method are disclosed. An optical communication apparatus mounted in a first node in a linear network coupled among a plurality nodes through an optical transmission line includes a multiplexer for receiving a plurality of optical signals having different wavelengths to output a first multi-wavelength optical signal obtained by coupling the plurality of optical signals, and a first optical coupler for dividing the first multi-wavelength optical signal into respective multi-wavelength optical signals to be transmitted to at least two different neighboring nodes. | 10-02-2014 |
20150131992 | METHOD AND APPARATUS FOR OPTICAL SIGNAL CONTROL USING FILTER IN MULTICASTING RING NETWORK NODE AND PROTECTION SWITCHING IN OPTICAL MULTIPLEX SECTION - A method and apparatus for optical signal control using a filter in a multicasting ring network node and protection switching in an optical multiplex section is disclosed, in which a multicasting ring network node extracts or passes a wavelength from a node requiring optical signal wavelength extraction, transmits the passed optical signal to a neighboring node through control as necessary, and readily performs protection switching on an optical multiplex section signal. | 05-14-2015 |
20150229557 | DATA PROCESSING SYSTEM FOR CHANGING MASSIVE PATHS TIME-DETERMINISTICALLY AND OPERATING METHOD OF THE DATA PROCESSING SYSTEM - Provided is a data processing system, including: a plurality of line matching blocks each including a data processor configured to store predefined preliminary transmission tables corresponding to the respective events requiring change of a data path, to determine whether to change a transmission table based on information received through an internal communication device, and to select and activate a preliminary transmission table corresponding to an event from among the preliminary transmission tables, wherein the preliminary transmission tables include destination information on all the physical or logical paths; and a shared bus configured to enable information on an event requiring change of the data path to be transmitted and received between the plurality of line matching blocks. | 08-13-2015 |
Patent application number | Description | Published |
20130224558 | Microporous Composite Film with High Thermostable Organic/Inorganic Coating Layer - Disclosed is a microporous composite film having a coating layer formed on at least one surface of a microporous polyolefin film, wherein the coating layer simultaneously includes a high thermostable polymer resin and inorganic particles. More specifically, the present invention relates to a microporous composite film in which an area shrinkage at 170° C. for 1 hr is 10% or less; a tensile modulus in each of a machine direction and a transverse direction at 130° C. is 0.5 MPa to 7.0 MPa; a ratio between permeability of a microporous composite film (CCS | 08-29-2013 |
20130287937 | Pore Protected Multi Layered Composite Separator and the Method for Manufacturing the Same - Disclosed are a multi-layer composite porous film and a manufacturing method thereof. More particularly, a manufacturing method, which includes filling pores on at least one face of a polyolefin microporous film substrate using a solvent, and then, applying a coating solution that contains a polymer binder or the polymer binder and inorganic particles, to the film to form a porous coating layer, as well as the multi-layer composite porous film manufactured by the same, are disclosed. The method for manufacturing the multi-layer composite porous film according to the disclosure may provide a multi-layer composite porous film having excellent permeability and shutdown function, without clogging the pores, by improving a coating process. Moreover, if applying the foregoing porous film as a separator to a battery, the battery having superior performance and high safety may be manufactured. | 10-31-2013 |
20140295170 | Micro-Porous Polyolefin Composite Film Having Excellent Heat Resistance and Stability and Method for Producing the Same - Provided is a micro-porous polyolefin composite film, the micro-porous polyolefin composite film including a porous coating layer containing a polymer binder and inorganic particles, the polymer binder simultaneously employing an aqueous polymer and a non-aqueous polymer. The contents of the aqueous polymer and the non-aqueous polymer are controlled, and thus optimize heat resistance, adhesive strength, and the moisture content to thereby improve high-temperature stability, and, further, improve the adhesive strength to thereby improve stability in production, and minimize the moisture content to thereby improve reliability of a battery. | 10-02-2014 |
20150333311 | Micro-Porous Hybrid Film Having Electro-Chemical Stability and Method for Preparing the Same - Provided are a micro-porous hybrid film and a method for preparing the same, and more particularly, a micro-porous hybrid film capable of improving reliability of a battery by simultaneously improving thermal stability at a high temperature and water properties, and a method for preparing the same. In addition, the present invention relates to a micro-porous hybrid film suitable for a separator of a high capacity/high output lithium secondary battery capable of increasing production stability, long term stability, and performance of the battery by improving adhesive force between a micro-porous film and a coating layer and permeability and minimizing a water content by the coating layer. | 11-19-2015 |
Patent application number | Description | Published |
20140066580 | Method For Removing Unreacted Monomers in Polymer Using SCC - The present invention provides a method for removing unreacted monomer in polymer using a SCC comprising a housing having a rotation axis; a supply part of at least one polymer formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move polymer supplied through the polymer supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving polymer from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting polymer moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone. The method for removing unreacted monomers in polymer using SCC according to the present invention may control polymer residence time and thus does not lower polymer stability even under high temperature condition, and has high area density and thus has excellent unreacted monomer removal efficiency without using steam and the like, or with a small amount of steam, and the like. | 03-06-2014 |
20140088273 | SCC EQUIPPED WITH FOAM REMOVAL UNIT - The present invention provides a SCC (Spinning Cone Column) equipped with a foam removal unit comprising: a housing having a rotation axis; a supply part of at least one reactant formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move supplied reactants through the reactant supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting reactants moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone, wherein a foam removal unit is installed on one side of the housing. The SCC according to the present invention solves the problems that foam is generated when separating material to be removed to decrease removal yield and lower stability of the product, and may improve removal yield and product stability because a foam removal unit is for removing generated foam is installed. | 03-27-2014 |
20140107302 | SCC WITH IMPROVIED MOBILITY OF MATERIAL TO BE REMOVED - The present invention relates to a SCC with improved mobility of material to be removed due to a wider distance between the upper stages than a distance between the lower stages. The present invention provides a SCC (Spinning Cone Column) comprising a housing having a rotation axis; a supply part of at least one reactant formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move reactants supplied through the reactant supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part;
| 04-17-2014 |
20150274546 | APPARATUS FOR SEPARATING GAS AND LIQUID - Disclosed is an apparatus for separating gas and liquid. The apparatus for separating gas and liquid includes a housing, a rotating shaft provided inside the housing, a drive unit configured to rotate the rotating shaft, a rotating cone mounted at the rotating shaft to rotate about the rotating shaft and having a diameter decreasing from an upper end to a lower end thereof, a fixed cone fixed in the housing to be spaced apart from the rotating cone and having a diameter decreasing from an upper end to a lower end thereof, and a scraper configured to remove scale generated in at least one of the fixed cone and the rotating cone, based on the rotation of the rotating shaft. | 10-01-2015 |
20150283488 | APPARATUS FOR SEPARATING GAS AND LIQUID - Disclosed is an apparatus for separating gas and liquid. The apparatus for separating gas and liquid includes a housing, a rotating shaft provided inside the housing, a drive unit configured to rotate the rotating shaft, a rotating cone mounted at the rotating shaft to rotate about the rotating shaft and having a diameter decreasing from an upper end to a lower end thereof, and a fixed cone formed by coupling at least two first unit members in a circumferential direction of the rotating shaft, disposed in the housing to be spaced apart from the rotating cone and having a diameter decreasing an upper end to a lower end thereof. | 10-08-2015 |
20150367254 | APPARATUS FOR SEPARATING GAS AND LIQUID - Provided is an apparatus for separating a gas and a liquid, the apparatus including a housing comprising a plurality of tubular columns that are able to be stacked in a height direction, a rotary shaft provided in the housing, a driving unit configured to rotate the rotary shaft, a rotary cone mounted on the rotary shaft to be rotated about the rotary shaft and having a diameter reduced from an upper end section toward a lower end section, and a stationary cone mounted on the tubular column to be spaced apart from the rotary cone and formed in a tubular shape having a diameter reduced from the upper end section toward the lower end section. | 12-24-2015 |
Patent application number | Description | Published |
20110148865 | METHOD FOR AUTOMATIC RIGGING AND SHAPE SURFACE TRANSFER OF 3D STANDARD MESH MODEL BASED ON MUSCLE AND NURBS BY USING PARAMETRIC CONTROL - The present invention relates to a method for automatic rigging and shape surface transfer of a 3-D standard mesh model based on muscles and Nurbs by using parametric control. The method for automatic rigging and appearance surface transfer of 3-D standard mesh model based on muscle and Nurbs by using parametric control includes: extracting a joint-skeleton structure from scan data of dynamic objects having a skeleton structure, or input 3-D mesh models, generating a muscle and a appearance surface based on anatomy information, and generating a standard mesh model that approximates the appearance of the models by using the extracted joint-skeleton structure and the generated muscle and appearance surface; and performing the transfer of the standard mesh model by controlling the parameter so that the occupying error between the multi-view image information of the dynamic objects and the projection image information of the approximating standard mesh model is in the predetermined allowable error range. | 06-23-2011 |
20110148875 | METHOD AND APPARATUS FOR CAPTURING MOTION OF DYNAMIC OBJECT - The present invention relates to a method and apparatus for capturing a motion of a dynamic object, and restore appearance information of an object making a dynamic motion and motion information of main joints from multi-viewpoint video images of motion information of a dynamic object such as a human body, making a motion through a motion of a skeletal structure on the basis of the skeletal structure, acquired by using multiple cameras. According to the exemplary embodiments of the present invention, it is possible to restore motion information of the object making a dynamic motion by using only an image sensor for a visible light range and to reproduce a multi-viewpoint image by effectively storing the restored information. Further, it is possible to restore motion information of the dynamic object without attaching a specific marker. | 06-23-2011 |
20120154393 | APPARATUS AND METHOD FOR CREATING ANIMATION BY CAPTURING MOVEMENTS OF NON-RIGID OBJECTS - Disclosed herein are an apparatus and method for creating animation by capturing the motions of a non-rigid object. The apparatus includes a geometry mesh reconstruction unit, a motion capture unit, and a content creation unit. The geometry mesh reconstruction unit receives moving images captured by a plurality of cameras, and generates a reconstruction mesh set for each frame. The motion capture unit generates mesh graph sets for the reconstruction mesh set and generates motion data, including motion information, using the mesh graph sets. The content creation unit creates three-dimensional (3D) content for a non-rigid object by generating a final transformation mesh set, having a topology similar to that of the reconstruction mesh set, using the motion data. | 06-21-2012 |
20120162217 | 3D MODEL SHAPE TRANSFORMATION METHOD AND APPARATUS - Disclosed herein is a 3D model shape transformation apparatus. The 3D model shape transformation apparatus includes a camera unit, a shape restoration unit, a skeleton structure generation unit, and a skeleton transformation unit. The camera unit obtains a plurality of 2D images in a single frame by capturing the shape of an object. The shape restoration unit generates a 3D volume model by restoring the shape of the object based on the plurality of 2D images. The skeleton structure generation unit generates the skeleton structure of the 3D volume model. The skeleton transformation unit transforms the size and posture of the 3D volume model into those of a template model by matching the skeleton structure of the template model with the skeleton structure of the 3D volume model. | 06-28-2012 |
20120163675 | MOTION CAPTURE APPARATUS AND METHOD - Disclosed herein is a motion capture apparatus and method. The motion capture apparatus includes a three-dimensional (3D) appearance reconstruction unit for reconstructing a 3D appearance of an entity using a multi-view image obtained by capturing the entity at a T+1-th frame. A 3D skeleton generation unit generates a 3D skeleton of the T+1-th frame using the 3D appearance and a model of the entity having a motion of a T-th frame. A motion reconstruction unit reconstructs a motion of the T+1-th frame of the model by changing the motion of the model based on the 3D skeleton of the T+1-th frame. | 06-28-2012 |
Patent application number | Description | Published |
20110111218 | EPOXY-BASED COMPOSITION, ADHESIVE FILM, DICING DIE-BONDING FILM AND SEMICONDUCTOR DEVICE - Provided are an epoxy composition, an adhesive film, a dicing die bonding film and a semiconductor device using the same. Specifically, the epoxy composition and a use thereof are provided, wherein the epoxy composition has a gel content of 5˜20%, measured under certain conditions. The epoxy composition according to the present invention, as an adhesive agent, shows excellent elastic properties, when prepared to have a low glass transition temperature, exhibiting good adhesion at high temperature and having minimal occurrence of buns during processing. According to the present invention, it is therefore possible to prevent defects owing to die cut shift, during a wire bonding or molding process at high temperature, and obtain a highly reliable semiconductor device owing to the excellent adhesiveness and workability of the adhesive agent. | 05-12-2011 |
20120202337 | WAFER PROCESSING SHEET - Provided is a sheet for processing a wafer. The sheet can exhibit excellent heat resistance and dimensional stability, prevent breakage of a wafer in response to residual stress due to excellent stress relaxation properties, inhibit damage to or dispersion of the wafer due to application of a non-uniform pressure, and also exhibit excellent cuttability. The sheet can effectively prevent a blocking phenomenon from occurring during wafer processing. For these reasons, the sheet can be useful for processing a wafer in various wafer preparation processes such as dicing, back-grinding and picking-up. | 08-09-2012 |
20130281571 | EPOXY-BASED COMPOSITION, ASHESIVE FILM, DICING DIE-BONDING FILM AND SEMICONDUCTOR DEVICE - Provided are an epoxy composition, an adhesive film, a dicing die bonding film and a semiconductor device using the same. Specifically, the epoxy composition and a use thereof are provided, wherein the epoxy composition has a gel content of 5˜20%, measured under certain conditions. The epoxy composition according to the present invention, as an adhesive agent, shows excellent elastic properties, when prepared to have a low glass transition temperature, exhibiting good adhesion at high temperature and having minimal occurrence of burrs during processing. According to the present invention, it is therefore possible to prevent defects owing to die cut shift, during a wire bonding or molding process at high temperature, and obtain a highly reliable semiconductor device owing to the excellent adhesiveness and workability of the adhesive agent. | 10-24-2013 |
20130299064 | SWELLING TAPE FOR FILLING GAP - A swelling tape for filling a gap and a method of filling a gap are provided. The swelling tape can be applied within the gap having a fluid to realize a 3D shape thereby filling the gap, and be used to fix a subject forming the gap as necessary. | 11-14-2013 |
20130306221 | SWELLING TAPE FOR FILLING GAP - A swelling tape for filling a gap and a method of filling a gap are provided. The swelling tape can be applied within the gap having a fluid to realize a 3D shape thereby filling the gap, and be used to fix a subject forming the gap as necessary. | 11-21-2013 |
20140044959 | SOLVENTLESS COMPOSITION AND METHOD FOR PREPARING THE SAME - Provided are a solventless composition and a method of preparing the same. Here, the solventless composition may effectively manufacture a film that is uniform without substantial deviation in thickness and has a large but uniform thickness or an excellent physical property such as thermal resistance during manufacture of a film. In addition, the composition of the present invention does not induce contamination during the manufacture of the film. Furthermore, by preventing gelation or phase separation of components of the composition, the composition capable of manufacturing a substrate film having an excellent physical property such as optical transparency, thermal resistance and dimension stability may be provided. | 02-13-2014 |
20140045319 | SUBSTRATE FILM AND METHOD OF MANUFACTURING THE SAME - Provided are a substrate film and a method of manufacturing the substrate film. The substrate film may have excellent thermal resistance and dimensional stability, has excellent stress relaxation to prevent damage of a wafer caused by remaining stress, inhibits damage to or flying-off of the wafer caused by application of a non-uniform pressure during the processing of the wafer, and has excellent cuttability. Accordingly, the substrate film of the present invention can be effectively used as a processing sheet in a process of processing various kinds of wafers including dicing, back-grinding or picking-up. | 02-13-2014 |
20140106207 | SWELLING TAPE FOR FILLING GAP - A swelling tape for filling a gap, a method of manufacturing the swelling tape for filling a gap, a method of filling a gap, an electrode assembly and a secondary battery are provided. For example, the swelling tape can be applied inside a gap in which a fluid exists so as to fill the gap by becoming a 3D form, and can be useful at anchoring a subject in which the gap is formed, as necessary. | 04-17-2014 |
20140290829 | SWELLING TAPE FOR FILLING GAP - A swelling tape for filling a gap and a method of filling a gap are provided. The swelling tape can be applied within the gap having a fluid to realize a 3D shape thereby filling the gap, and be used to fix a subject forming the gap as necessary. | 10-02-2014 |
Patent application number | Description | Published |
20100141378 | APPARATUS AND METHOD FOR IDENTIFYING STRUCTURE - A transmitter of an apparatus position in a moving body transmits a first move command signal for moving a radio frequency identification tag to a location within an identification distance to a receiver positioned within a communication distance. A radio frequency identification reader of the moving body transmits an information request signal to the radio frequency identification tag that moves from a first location to a second location corresponding to a location within an identification distance in accordance with a first move command signal and receives a response signal corresponding to the information request signal from the radio frequency identification tag. | 06-10-2010 |
20100142750 | DEVICE AND METHOD FOR ARRANGING BLOCK OF VESSEL - A vessel block arranging device extracts image information on a vessel block loaded on a transporter, and determines whether to arrange the vessel block in an area in which the vessel block will be arranged by using location information of the arranged vessel block in the area and extracted image information, thereby reducing errors caused by determining the vessel block arrangement. | 06-10-2010 |
20120122476 | METHOD AND SYSTEM FOR PROVIDING SPATIAL-BASED CONTEXT-AWARE SERVICE - A system for providing spatial-based context-aware service includes a database configured to store a geocontext including spatial information, one or more contexts, and sensor data; a sensor/context catalog server configured to manage meta data of the contexts and the sensor data; a context processing server configured to generate a list of contexts applicable to the mobile device based on the sensor data and the meta data upon a receipt of the sensor data from the mobile device; a geocontext search server configured to search the database for candidate geocontexts appropriate for the user of the mobile device by using the location information of the mobile device and the list of contexts; and a context-aware management server configured to generate a list of recommended services by executing the searched candidate geocontexts. | 05-17-2012 |
20140207737 | METHOD AND APPARATUS FOR SYNCHRONIZING KNOWLEDGE SERVICE - A knowledge service synchronization apparatus transmits a knowledge request message from a knowledge consumer to a knowledge server, receives a knowledge response message to the knowledge request message from the knowledge server, and outputs knowledge contents that the knowledge consumer requests. In this case, when the knowledge response message is an update message including updated knowledge contents, the knowledge service synchronization apparatus determines an output of knowledge contents of the update message according to whether the knowledge consumer wants to receive updated knowledge. | 07-24-2014 |
20140213187 | COMMUNICATION TERMINAL, PLACE MANAGEMENT SERVER, AND METHOD OF DETECTING PLACE INFORMATION THEREOF - A first Bluetooth terminal having a short range communication module that is set as an anchor searches for a peripheral Bluetooth terminal and transmits information of the found Bluetooth terminal to a place management server. The place management server updates place information of a user of the found Bluetooth terminal to place information of the first Bluetooth terminal and transmits the updated place information to the found Bluetooth terminal. | 07-31-2014 |
Patent application number | Description | Published |
20110153276 | APPARATUS AND METHOD FOR PROVIDING COMPOSITE SENSOR INFORMATION - Disclosed herein is an apparatus and method for providing composite sensor information. The apparatus receives sensor information from a plurality of sensors and creating a virtual sensor as a proxy for a plurality of effective sensors included in a region requested to be searched from a user terminal. Thereafter, the apparatus creates composite sensor information by fusing a plurality of the sensor information corresponding to the plurality of effective sensors included in the virtual sensor. | 06-23-2011 |
20110153655 | SERVER-SENSOR NETWORK COOPERATIVE SPATIAL QUERY PROCESSING METHOD AND SERVER USING THE SAME - Disclosed herein are a server-sensor network cooperative spatial query processing method and a server using the method. The server-sensor network cooperative spatial query processing method includes the server detecting supplementary information for selecting sensor nodes to be excluded from among a plurality of sensor nodes by performing a preliminary spatial query, before starting a spatial query with the plurality of sensor nodes, and the server requesting the spatial query to the sensor nodes, selected based on the supplementary information, when starting the spatial query with the plurality of sensor nodes. | 06-23-2011 |
20110225194 | APPARATUS AND METHOD FOR ANALYZING INFORMATION ABOUT FLOATING POPULATION - Disclosed herein is an apparatus and method for analyzing information about floating population. The apparatus includes an information collection unit, a data integration unit, a data mining analysis unit, and an interface unit. The information collection unit collects information about locations provided by mobile communication terminals of moving objects, information about attributes of the moving objects, and information about locations and attributes related to stationary objects. The data integration unit creates integrated data by integrating the information collected by the information collection unit, national statistical information, and map data registered previously. The data mining analysis unit extracts data, consistent with conditions input by a system user, from the integrated data, and searches the map data for based moving patterns of the moving objects using data mining analysis. The interface unit provides a map service in which search results have been applied to the map data. | 09-15-2011 |
20120143691 | SYSTEM AND METHOD FOR PROVIDING USER-SPECIFIC ADVERTISEMENT ON BASIS OF M2M COMMUNICATION, AND MOBILE TERMINAL - Provided are a system and method for providing a user-specific advertisement on the basis of machine-to-machine (M2M) communication, and a mobile terminal. The method includes: receiving an advertising message broadcasted from at least one mobile terminal; extracting an advertisement according to a user situation using profile information set by a user of the mobile terminal; and presenting and displaying the extracted advertisement. | 06-07-2012 |
20140143093 | KNOWLEDGE PRODUCT TRADING METHOD OF ONLINE STORE - Disclosed is a knowledge product trading method of an online store. The knowledge product trading method as an operation method of an online knowledge trading system includes providing a knowledge authoring application (app), collecting knowledge from a knowledge provider through the knowledge authoring app, providing a knowledge service app, receiving a knowledge query request from a knowledge consumer through the knowledge service app, and selling the knowledge collected through the knowledge authoring app in response to the knowledge query request. | 05-22-2014 |
Patent application number | Description | Published |
20100066600 | MOBILE APPARATUS FOR TRACKING SATELLITE AND METHOD THEREOF - A mobile apparatus for tracking a satellite, includes: a mobile unit; a GPS receiving unit mounted on the mobile unit that generates position coordinates of the mobile unit; a level meter mounted on the mobile unit that adjusts the mobile unit in horizontal and obtains a tilt angle of the mobile unit; an antenna unit mounted on the mobile unit and being adjusted to the true north direction according to the position coordinates. Further, the mobile apparatus for tracking a satellite includes position tracking control unit mounted on the mobile unit that temporarily stops the mobile unit when tracking a position of the satellite, adjusts the mobile unit in horizontal by the level meter and aligns the position coordinates and the tile angles to correct current position information of the mobile unit. | 03-18-2010 |
20110241937 | APPARATUS AND METHOD FOR SIGNAL ACQUISITION IN GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER - An apparatus for signal acquisition of a Global Navigation Satellite System (GNSS) receiver may downsample digitalized satellite signals based on a code resolution, correlate the downsampled satellite signals and oversampled pseudo-random noise (PRN) codes using a block unit based on a size of a matching filter, and may perform FFT of a value output as a correlation result by employing, as M points, a number of blocks used for the matching filter. Also, the signal acquisition apparatus may estimate a coarse Doppler and a code phase of the satellite signals by comparing a power value, calculated based on the M-point fast Fourier transformed value, with a threshold value, and may estimate a fine Doppler using zero-padding based FFT when the satellite signals are successfully acquired. | 10-06-2011 |
20110279313 | APPARATUS AND METHOD FOR PROCESSING NAVIGATION SIGNAL - An apparatus and method for processing a navigation signal are provided. When a navigation signal is received and processed, a search range associated with signal processing may be reduced by directly computing a clock offset of a receiving terminal, and accordingly it is possible to reduce an operation amount associated with the signal processing, and an amount of a power consumed by the receiving terminal. Additionally, due to a reduction in the search range, it is also possible to reduce a time required to acquire a signal. | 11-17-2011 |
20130093619 | APPARATUS AND METHOD FOR INDOOR POSITIONING - Provided is a technique for estimating an indoor position, by which a terminal may receive a positioning signal from a pseudo satellite, using a plurality of receiving antennas, determine a position of the pseudo satellite based on positional information included in the received positioning signal, estimate a direction of the pseudo satellite based on a phase difference of the positioning signal at each of the plurality of receiving antennas, and estimate a location of the terminal based on the positional information of the pseudo satellite and the estimated direction of the pseudo satellite. | 04-18-2013 |
20130207844 | HYBRID DIRECTION IDENTIFYING APPARATUS AND METHOD - A hybrid direction apparatus and method that rapidly and accurately detects a direction of a radio signal source based on a direction detecting scheme by comparing an amplitude or signal strength, a virtual Doppler scheme, a phase difference comparison scheme while removing an ambiguity based on an amplitude or signal strength scheme, and identify a direction relatively precisely based on a phase difference scheme using only two antennas. Also, an arrival direction of a relative radio wave when an arrival direction of a radio wave is vertical to a single rotating axis may be precisely identified by mounting a directional antenna and a phase comparison antenna on the single rotating axis, and rotating the two antennas. | 08-15-2013 |
20130271323 | APPARATUS AND METHOD FOR FINDING THE DIRECTION OF SIGNAL SOURCE - The direction finding apparatus includes: a first and second antennas configured to receive radio signals respectively; a travel guide unit mechanically coupled with the first and second antennas and configured to provide a travel path along which the first and second antennas are linearly movable; a driver configured to provide a driving force for linearly moving at least one antenna of the first and second antennas in response to a driving control signal; a driving controller configured to provide the driving control signal, wherein the driving control signal is used to separate the first and second antennas from each other by a predetermined distance; and a direction finding unit configured to calculate an angle of arrival (AOA) of radio signals respectively received through the first and second antennas, based on the phase difference between the radio signals, and the predetermined distance. | 10-17-2013 |
20140086374 | SYSTEM AND METHOD FOR DETECTING BROADBAND GLOBAL POSITIONING SYSTEM (GPS) JAMMING - A system and method for detecting broadband global positioning system (GPS) jamming is provided, the system including a local oscillator maintainer to maintain a plurality of local oscillators, a frequency band selector to select a frequency band in which jamming is to be detected, in response to receipt of a radio frequency (RF) signal, an oscillating signal output unit to allow an oscillating signal to be output from a local oscillator identified based on the selected frequency band, among the plurality of local oscillators, and an intermediate frequency (IF) signal generator to generate an IF signal using the RF signal and the oscillating signal. | 03-27-2014 |
20150035702 | GPS JAMMING SIGNAL RECEIVER AND GPS JAMMING SIGNAL RECEIVING METHOD - A global positioning system (GPS) jamming signal receiver and a GPS jamming signal receiving method are provided. The GPS jamming signal receiver may include a sample data generator to generate a sample data signal with respect to a signal received through an GPS antenna; a jamming signal determiner to determine a jamming state of a GPS jamming signal using the sample data signal and a navigation processing result value of the sample data; and a transmission direction angle calculator to determine a phase difference value of the GPS jamming signal according to the determination result and to calculate a transmission direction angle of the GPS jamming signal. | 02-05-2015 |
20160069979 | APPARATUS AND METHOD FOR FINDING HYBRID DIRECTION USING TWO BASELINES - Disclosed is a hybrid direction detection apparatus and method that may perform a precise direction detection through a one-time rotation of a log period (LP) antenna and a one-time phase difference measurement of a dipole antenna and may remove an ambiguity error of the LP antenna by two dipole antennas spaced apart by a distance of about 0.5λ by finding an approximate direction using the LP antenna that is a directional antenna, by measuring a phase difference between arrival waves using two baselines including two dipole antenna in the corresponding direction, and thereby precisely finding a final direction. | 03-10-2016 |
Patent application number | Description | Published |
20140239160 | HIGH-SPEED OPTICAL RECEIVER MODULE AND METHOD OF MANUFACTURING THE SAME - Provided is a photoreceiver module. The module includes: a ceramic substrate formed by stacking a plurality of metallic layers and a plurality of ceramic layers; a high frequency transmission line formed on the ceramic substrate and configured to transmit a high frequency electrical signal; a photodetector mounted on the ceramic substrate and configured to convert the high frequency electronic signal; a power supply line supplying DC power to the photodetector; and a high frequency connector connected to the high frequency transmission line and configured to deliver the high frequency electrical signal to an outside. The photodetector is mounted on a stepped hole manufactured in the ceramic substrate, and a height of each contact point of the photodetector and the high frequency transmission line is corrected by the stepped hole. | 08-28-2014 |
20140346532 | OPTICAL INPUT/OUTPUT DEVICE, OPTICAL ELECTRONIC SYSTEM INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method. | 11-27-2014 |
20150030282 | OPTICAL DEVICE AND MANUFACTURING METHOD THEREOF - Provided is an optical device including a first optical waveguide on one side of a substrate; a laser separated from the first optical waveguide and disposed on the other side of the substrate; and a first coupled waveguide between the laser and the first optical waveguide. The laser may be monolithically integrated on the substrate. | 01-29-2015 |
20150078708 | OPTICAL COUPLER HAVING SELF-FOCUSING REGION AND ARRYED-WAVEGUIDE GRATING STRUCTURE INCLUDING THE SAME - Provided are an optical coupler and an arrayed-waveguide grating structure including the same. The coupler includes a lower clad layer, a core comprising a slab waveguide region disposed on one side of the lower clad layer and a ridge waveguide region disposed on the other side of the lower clad layer, and an upper clad disposed on the core, wherein the ridge waveguide region comprises a self-focusing region configured to focus an optical signal provided form the slab waveguide region and thus to prevent scattering of the optical signal. | 03-19-2015 |
20150277054 | OPTICAL COUPLER AND OPTICAL DEVICE INCLUDING THE SAME - Provided are an optical coupler and an optical device including the same. The optical coupler includes: a substrate; a buffer layer on the substrate; and an optical coupling layer including a horizontal mode expander layer and a vertical mode expander layer, wherein the horizontal mode expander layer expands in one direction on the buffer layer, and wherein the vertical mode expander layer adjusts a stepped difference between the horizontal mode expander layer and a plurality of optical transmission devices having different diameters or sectional areas and connected to both sides of the horizontal mode expander layer, and the vertical mode expander layer is disposed on a side of the horizontal mode expander layer to minimize optical loss between the plurality of optical transmission devices. | 10-01-2015 |
Patent application number | Description | Published |
20120038876 | ORGANIC ELECTROLUMINESCENT DEVICE AND METHOD FOR FABRICATING THE SAME - An exemplary embodiment of the present invention provides an organic electroluminescent device including a substrate, a first electrode, one or more organic material layers, and a second electrode in a sequentially deposited form, wherein a light scattering layer is provided between the substrate and the first electrode, and includes a cholesteric liquid crystal layer including a liquid crystal vertically aligned to the substrate, and a method for fabricating the same. | 02-16-2012 |
20130284354 | SUBSTRATE FOR AN ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a substrate for an organic light emitting diode including a base substrate, a high refractive scattering layer formed on the base substrate, and having a scattering particle scattering light in a high refractive material, and an adhesive layer formed between the base substrate and the high refractive scattering layer to laminate the base substrate with the high refractive scattering layer, wherein the high refractive scattering layer has a structure in which the scattering particle is immersed in the high refractive material, an average thickness of the high refractive scattering layer is smaller than an average diameter of the scattering particle, a surface of the high refractive scattering layer laminated with the base substrate by the adhesive layer has unevenness formed by the scattering particle, the opposite surface of the high refractive scattering layer laminated with the base substrate by the adhesive layer has a planarized surface, and a method for manufacturing the same. The substrate may have an excellent degree of planarization and improved light extraction efficiency without degradation in performance of the diode, and low process and material costs and mass-production of the substrate may be easily achieved. | 10-31-2013 |
20130286659 | SUBSTRATE FOR AN ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME (As Amended) - Provided is a substrate for an organic light emitting diode including a base substrate, a high refractive scattering layer formed on the base substrate, and having a scattering particle scattering light in a high refractive material, and an adhesive layer formed between the base substrate and the high refractive scattering layer to laminate the base substrate with the high refractive scattering layer, wherein the high refractive scattering layer has a structure in which the scattering particle is immersed in the high refractive material, an average thickness of the high refractive scattering layer is smaller than an average diameter of the scattering particle, a surface of the high refractive scattering layer laminated with the base substrate by the adhesive layer has unevenness formed by the scattering particle, the opposite surface of the high refractive scattering layer laminated with the base substrate by the adhesive layer has a planarized surface, and a method for manufacturing the same. The substrate may have an excellent degree of planarization and improved light extraction efficiency without degradation in performance of the diode, and low process and material costs and mass-production of the substrate may be easily achieved. | 10-31-2013 |
20150097164 | ORGANIC LIGHT EMITTING DIODE - The present specification discloses an organic electroluminescent device including an anode, a cathode, a light emitting layer provided between the cathode and the anode, a first p-type organic material layer provided between the cathode and the light emitting layer, and a first n-type organic material layer provided between the first p-type organic material layer and the light emitting layer. | 04-09-2015 |
20150115244 | ORGANIC LIGHT EMITTING DIODE - The present specification discloses an organic electroluminescent device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; a first organic material layer associated with the anode and doped with a p-type dopant; and a second organic material layer associated with the cathode and doped with a p-type dopant. | 04-30-2015 |
20150144895 | ORGANIC ELECTROLUMINESCENT DEVICE - The present specification discloses an organic electroluminescent device including: a substrate; a cathode provided on the substrate; a light emitting layer provided on the cathode; an anode provided on the light emitting layer; a first p-type organic material layer provided between the cathode and the light emitting layer; and a first n-type organic material layer provided between the first p-type organic material layer and the light emitting layer. | 05-28-2015 |
20150144896 | STACKED ORGANIC LIGHT EMITTING DIODE - The present specification discloses an organic electroluminescent device including: an anode; a cathode; and two or more light emitting units provided between the anode and the cathode and including a light emitting layer, in which a light emitting unit among the light emitting units, which is the most associated with the cathode, includes a first n-type organic material layer provided on the cathode side of the light emitting layer, and a first p-type organic material layer is provided between the light emitting unit among the light emitting units, which is the most associated with the cathode, and the cathode. | 05-28-2015 |
20150144897 | ORGANIC LIGHT EMITTING DIODE - The present disclosure provides an organic light emitting device that includes a first electrode, a second electrode, and two or more light emitting units provided between the first electrode and the second electrode, wherein a charge generation layer is provided between, among the light emitting units, two light emitting units that are adjacent to each other, an electron transport layer is provided between the charge generation layer and the light emitting unit placed closer to the first electrode of the two adjacent light emitting units, and the electron transport layer includes a first electron transport layer doped with an n-type dopant, and a second electron transport layer doped with a metal salt, metal oxide or organic metal salt. | 05-28-2015 |
20150194633 | ORGANIC LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present application provides an organic light emitting device and a method for manufacturing the same, the organic light emitting device including a first electrode; an organic material layer; and a second electrode provided in consecutive order, the organic material layer further including a light emitting layer; and an optical length control layer provided between the light emitting layer and the second electrode, the optical length control layer including a first optical length control layer that includes a compound represented by the following Chemical Formula 1, the light produced in the light emitting layer being emitted through the first electrode. | 07-09-2015 |
20150194635 | ORGANIC LIGHT EMITTING DIODE - The present specification discloses an organic electroluminescent device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and a light scattering layer provided between the light emitting layer and the cathode. | 07-09-2015 |
Patent application number | Description | Published |
20090044241 | BROADCASTING CONTENT PROTECTION/MANAGEMENT SYSTEM - Provided is a contents protection and management system including: a contents processing server for providing a service subscriber with contents and producing information for protection and management of the content; a DRM tool server for managing tools used in the contents processing server and the subscriber terminal to process the content; and a license server for managing the subscriber's right to the content. | 02-12-2009 |
20090077652 | Contents Execution Device Equipped With Independent Authentication Means And Contents Re-Distribution Method - The present invention particularly relates to a digital content providing service method and a content execution device for the same, for maximizing user convenience and maintaining a sufficient level of security using a smart card. The inventive content execution device includes an independent authentication unit for storing a tool necessary for executing content; an authentication support module for providing a data communication channel between the smart card and an external broadcasting server; a tool agent for calling the tool stored in the independent authentication unit; and a content execution unit for executing content data received from the external broadcasting server. The content execution device included in a content authority management system of the present invention employs the smart card for user authentication and/or content playing tool management. Accordingly, a user can freely executing his/her licensed content in different content execution devices by conveniently removing and reinserting the smart card, without separate measures. Moreover, according to the present invention, a user can effectively use content from different broadcasters. | 03-19-2009 |
20090083452 | APPARATUS AND METHOD FOR CREATING DEVICE ASSOCIATION/CONTROL INFORMATION FOR REALISTIC MEDIA REPRESENTATION - Provided is an apparatus and method for creating device association/control information for realistic media representation. The device includes a media analyzer, a device information creator, a device parameter creator, a device attribute database, a device control information creator, and a device control stream creator. The media analyzer analyzes media to determine control values and control times for control parameters of respective devices to be associated for media reproduction. The device information creator creates device information by searching peripheral devices connected to a media reproduction device. The device parameter creator creates device parameter information by extracting controllable factors for the respective devices. The device attribute database stores the device information and the device parameter information. The device control information creator creates device control information including control values and control times for the respective device parameters. The device control stream creator creates a device control stream by converting the device control information into a stream-format binary code in the order of reproduction. Herein, one or more devices are associated according to the contents of the media. The apparatus and method can provide the optimal media representation effect by controlling peripheral devices suitably for an available environment by creating a signal for controlling the peripheral devices according to the media contents. | 03-26-2009 |
20120089649 | METHOD AND APPARATUS FOR MANAGING VIRTUAL WORLD - Disclosed is a method for managing a virtual world. The method for managing a virtual world includes: receiving virtual world management information including user information and communication information; and managing a virtual world, objects in the virtual world, and relationships between the objects using the virtual world management information. | 04-12-2012 |
20120167014 | VISUAL SURROGATE FOR INDIRECT EXPERIENCE AND APPARATUS AND METHOD FOR PROVIDING THE SAME - Disclosed herein is a technology for utilizing an indirect experience without copying a real world to a virtual world. An apparatus for providing a visual surrogate for indirect experience according to an embodiment of the present invention includes a synchronization setup unit for setting up synchronization models between a surrogate, a real object and virtual objects corresponding to the surrogate and the real object, wherein the surrogate is a substitute for a remote user and the virtual objects are displayed in a control space. A control space generation unit generates the control space required to input commands for the surrogate and the real object and to output surrounding information sensed by the surrogate. A service provision unit generates an application in which the synchronization models and the control space are packaged. | 06-28-2012 |
20130021322 | VISUAL ONTOLOGICAL SYSTEM FOR SOCIAL COMMUNITY - The present invention relates to a system for storing and managing a comment on content in a social community, and enabling another user to retrieve content or a comment. In particular, the present invention may generate image comments for target content from users of a social community, and summarize the generated imaged comments. | 01-24-2013 |
20130106867 | METHOD AND APPARATUS FOR GENERATING AN AVATAR | 05-02-2013 |
20130106900 | METHOD AND APPARATUS FOR GENERATING AVATAR | 05-02-2013 |
20130151978 | METHOD AND SYSTEM FOR CREATING SMART CONTENTS BASED ON CONTENTS OF USERS - Provided is a method of managing content using a visual expression, the method including: determining a visual icon that represents each of contents registered by users, based on the respective contents; quantizing each of a plurality of visual icons to map each of the plurality of visual icons with at least one level among a plurality of predetermined quantization levels; generating a content unit corresponding to each of the plurality of visual icons based on the mapping result; and creating smart content that is a visual expression as abstract information corresponding to a combination of the contents, based on a combination of content units. | 06-13-2013 |
20130290363 | RICH USER DESCRIPTIONS FOR SOCIAL NETWORK - Provided is a method of managing contents in a social networking service, the method including storing information about each of a plurality of users participating in the social networking service, in a table structured based on a predetermined syntax, receiving a search request from a first user among the plurality of users, providing the first user with contents owned by a second user, as a search result corresponding to the search request, by referring to the structured table, receiving an additional search request from the first user, and providing the first user with additional contents owned by the second user, as a search result corresponding to the search request, by referring to the structured table. | 10-31-2013 |
20130290424 | METHOD AND SYSTEM OF PROVIDING OPTIMAL SERVICE USING PERSONAL INFORMATION OF USER - Provided is a method of providing an optimal service to a user using personal information of the user, the method including: decentralizing and thereby setting personal information of the user that is included in a user description; extracting the personal information of the user from the user description; receiving a service request of the user and the extracted personal information of the user; selecting service information from a service description including the service information that is supported for the user, based on the personal information of the user in response to the service request of the user; and providing a service corresponding to the service information to the user. | 10-31-2013 |
20140019282 | METHOD AND SYSTEM OF PROVIDING SERVICE USING USER DESCRIPTION, SERVICE DESCRIPTION AND CONTENTS DESCRIPTION - A method of providing a service using a user description, a service description, and a contents description may include: receiving first user information from a first user description including first user information; receiving environment information from the contents description including environment information; selecting optimal service information from the service description including service information based on at least one of the first user information and the environment information; and providing a service corresponding to the selected optimal service information to a first user. | 01-16-2014 |
20140113715 | VIRTUAL WORLD PROCESSING APPARATUS - Disclosed herein is a virtual world processing apparatus. The virtual world processing apparatus includes a gas sensor unit and an engine. The gas sensor unit obtains scent information in the real world. The engine receives information about the capabilities of the gas sensor unit from the gas sensor unit, and transmits the scent information obtained by the sensor unit to a virtual world or the real world. | 04-24-2014 |
20140333616 | METHOD FOR REPRESENTING TERRAIN, METHOD FOR CREATING TERRAIN PRIMITIVES, AND APPARATUS USING THE METHODS - A method for representing a terrain, a method for creating terrain primitives, and an apparatus using the methods are disclosed. The terrain representation method includes: reading digital elevation model (DEM) data of a terrain; extracting feature points of the terrain from the DEM data of the terrain; creating a plurality of terrain primitives according to the feature points of the terrain; storing terrain representation model data based on the plurality of terrain primitives; and converting the terrain primitive based terrain representation model data into DEM data, and visualizing the DEM data. | 11-13-2014 |
20150067538 | APPARATUS AND METHOD FOR CREATING EDITABLE VISUAL OBJECT - Disclosed herein are an apparatus and method for creating an editable visual object. In accordance with an embodiment, the apparatus for creating an editable visual object includes an interface unit for providing an editable visual object creation interface to a user. A template display unit displays a basic template for an editable visual object desired to be created by the user on the interface. A visual object creation unit is configured to, if the user edits the displayed basic template, create an editable visual object based on editing information. | 03-05-2015 |
20150067558 | COMMUNICATION DEVICE AND METHOD USING EDITABLE VISUAL OBJECTS - A communication device and method are disclosed. The communication device includes an intention input unit, a visual object processing unit, and a message management unit. The intention input unit receives a user's intention through an interface. The visual object processing unit outputs a recommended visual object related to the user's intention to the interface, and generates the metadata of an edited visual object when the user edits the recommended visual object through the interface. The message management unit sends a message, including the generated metadata of the visual object, to a counterpart terminal. | 03-05-2015 |
20150278342 | APPARATUS AND METHOD FOR RECOMMENDING SERVICE - An apparatus for recommending a service in accordance with an embodiment of the present invention includes: a user description providing unit configured for storing a user description; a communication interface configured for receiving a request for recommendation of a service; and a recommendation engine configured for obtaining the user description corresponding to the request for recommendation of a service from the user description providing unit and generating a recommendation description by referring to the user description, | 10-01-2015 |
20150356744 | METHOD AND APPARATUS FOR SENSING MOVING BALL, AND IMAGE PROCESSING METHOD OF BALL IMAGE FOR CALCULATION OF SPIN OF MOVING BALL - Disclosed is measurement of spin by acquiring an image of a moving ball according to hit and analyzing the image, and more particularly, disclosed are a method and apparatus for sensing a moving ball, and an image processing method of a ball image, for measuring spin of the moving ball by rapidly and accurately extracting an unspecified indication such as a logo of a ball manufacturer, a trademark of the ball, a scratch, stain, etc. pre-indicated on the ball, that is, a feature portion in a simple manner, instead of indicating a specific pattern for spin measurement only, and then accurately calculating spin axis and spin amount information of rotation of the ball based on the feature portion. | 12-10-2015 |
Patent application number | Description | Published |
20150107739 | KERF STRUCTURE FOR SNOW TIRE - The present invention relates to a kerf structure for a snow tire, including a wave-shaped straight portion and an expansion portion formed expanding from the straight portion, wherein the expansion portion includes unit structures, on each of which central semi-sphere holes and polygonal forms around the semi-sphere holes form protrusions in opposite directions are formed continuously. According to the present invention, the kerf structure for a snow tire provides a symmetric shape, thereby securing uniform block rigidity regardless of the direction of the kerf, and the interlocking effect can be maximized through the combination of the protrusion shape of the polygonal shape and the embossing of the semi-sphere hole. In addition, according to the present invention, the tire performance on dry roads can be ensured by optimizing the collapse of the tire tread portion and the uniform performance of the traction can be maintained until the last stages of tread wear since the polygonal shape is maintained until the last stage of the wear even though the tire is worn. | 04-23-2015 |
20150107740 | KERF STRUCTURE FOR SNOW TIRE - The present invention provides a kerf structure for a snow tire, including unit structures on each of which spiral-shaped protrusions are continuously formed to be spaced a predetermined distance apart on the outer circumferential surface of a semi-cylindrical shaped column, wherein the continuously formed unit structures are arranged by alternating convex and concave portions in a zigzag formation, which is capable of optimizing the rigidity which can maintain gripping force as an original function of a kerf while ensuring a friction force generated from small blocks of a tread portion partitioned with kerfs by collapsing a block at an optimum level and further ensuring the kerf function on snow even in the last stages of tread wear by lowering the rigidity of the blocks of the tread portion. | 04-23-2015 |
20160052346 | Tread Kerf of Snow Tire - A tread kerf of a snow tire is capable of securing the performance of the tire on a dry road, a wet road, a snowy road, and an icy road, maintaining uniform rigidity of the block, and improving wear resistance. The tread kerf is formed in the outer surface of a tread block of the snow tire in a depth direction of the block in a shape of a polygonal wave extending along the outer surface of the block, wherein the entrance distance of the polygonal wave is less than the bottom distance of the polygonal wave such that side surfaces between the entrance and the bottom of the polygonal wave are formed as inclined surfaces, the distance between which decreases toward the entrance. The polygonal wave is moved in an advancing direction of the polygonal wave while being twisted in the depth direction of the block. | 02-25-2016 |